Home / 1,235,605.40-1,853,580.90-525,627.80

Finding the Fourth Proportional to 1,235,605.40, 1,853,580.90 and 525,627.80

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Solution

The fourth proportional to 1,235,605.40, 1,853,580.90 and 525,627.80 is: 788,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,605.40 : 1,853,580.90 = 525,627.80 : x
  2. Step 2: Convert to fraction form
    1,235,605.40/1,853,580.90 = 525,627.80/x
  3. Step 3: Cross multiply
    1,235,605.40x = 1,853,580.90 × 525,627.80
  4. Step 4: Simplify right side
    1,235,605.40x = 974,293,650,589.02
  5. Step 5: Solve for x
    x = 974,293,650,589.02/1,235,605.40
  6. Step 6: Final answer
    x = 788,515.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.